Core RC UDC-20 Instruction Manual

Universal digital charger

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SAFTY NOTES
Please follow the safety notes below. Otherwise the charger and battery could cause
considerable damage to property or person if used incorrectly.
1. Never leave the charger unsupervised when it is connected to its power supply. If any
malfunction is observed stop and refer to the manual.
2. Keep charger away from dust, damp, rain, heat, direct sunlight and vibration.
3. The circuit of this charger is designed to be powered by a 12v DC only.
4. The charger and battery that it is charging should always be used on a heat resistant,
non-inflammable surface. NEVER USE ON A CAR SEAT, CARPET OR SIMILAR.
5. Never use near inflammable materials.
6. Be sure to understand the information of the battery to be charged accurately. If the
program is set up incorrectly the battery can be severely damaged.
7. To avoid short circuits between the charger leads, always connect the 12v cable first
and only then to the battery to be charged. Reverse this sequence when
disconnecting.
8. DO NOT connect more than one battery at any time.
9. DO NOT attempt to charge any of the following;
♦ A battery pack that consists of different types of cell (including different
manufacturers).
♦ A battery pack which is already fully charged or just slightly discharged.
♦ Non-rechargeable batteries.
♦ Batteries that require a different charge technique from NiCad, NiMH, Li-Poly
or Pb.
♦ A faulty or damaged battery.
♦ A battery with an integral charge circuit or a protection circuit.
♦ Batteries installed in a device, or which are electrically linked to other
components.
♦ Batteries that are not expressly stated by the manufacturer to be suitable for the
currents the charger delivers during the charge process.
10. Please check the following before charging;
♦ Select the appropriate program which is suitable for the type of battery.
♦ Set up adequate current for charging.
♦ Lithium battery packs can be comprised with parallel and series cells mixed.
Check the composition carefully before charging.
♦ Be sure all connections are firm and safe.
Universal Digital Charger UDC-20
INSTRUCTION MANUAL

SPECIFICATION

Nicad / NiMh – 1 to 14 cells
LiPo / LiLo – 1 to 5 cells
Lead Acid (Pb) – 6v, 12v
Input Voltage – DC11-18v
Charge Rate – 0.1 to 5 Amp
Balance Charge Rate – 200mAh/Cell
Max Power – 50W

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Summary of Contents for Core RC UDC-20

  • Page 1 Universal Digital Charger UDC-20 INSTRUCTION MANUAL SPECIFICATION Nicad / NiMh – 1 to 14 cells LiPo / LiLo – 1 to 5 cells Lead Acid (Pb) – 6v, 12v Input Voltage – DC11-18v Charge Rate – 0.1 to 5 Amp Balance Charge Rate –...
  • Page 2 Universal Digital Charger UDC-20 Program Flow Chart...
  • Page 3 Universal Digital Charger UDC-20 Initial Parameter Set Up The CORE R/C UDC-20 will be operated with the default value of the essential user settings when it is connected to a 12v battery for the first time. The screen displays the following information in sequence and the user can change the value of each parameter on each screen.
  • Page 4 Universal Digital Charger UDC-20 Programming for the Li-Po Battery These programs are only suitable for charging LI-PO batteries. These batteries need to use a different charge technique. It is termed a constant voltage (CV) and constant current (CC) method. The charge current varies according to the battery capacity, and is usually C/2 rate (half capacity as a charge current).
  • Page 5 Universal Digital Charger UDC-20 Programming for the Li-Po Battery (Balancing) How to connect: Step 1: Put the DC power cable into the input of the charger, and then connect the DC cable to the power connector of the battery. Step 2: Put the balance connector of the battery into the balance socket of the charger.
  • Page 6 Universal Digital Charger UDC-20 Programming for the NiMH/NiCd Battery These programs are for charging NiMH/NiCd battery commonly used for R/C models. To change current, press the Start/Enter button to make it blink, then change the value using the DEC or INC button. The value will be stored by pressing the Start/Enter button once.
  • Page 7: Warning And Error Messages

    Universal Digital Charger UDC-20 Warning and Error Messages These programs are for charging NiMH/NiCd battery commonly used for R/C models. To change current, press the Start/Enter button to make it blink, then change the value using the DEC or INC button. The value will be stored by The output is connected to a battery with incorrect polarity.
  • Page 8 Universal Digital Charger UDC-20 Repair and Warranty All products from CORE R/C are manufactured to the highest quality standards. CORE R/C guarantees this product to be free from defects in materials or workmanship for 30 days from the original purchase date verified by a sales receipt. This limited warranty does not cover defects, which are a result of normal wear, misuse or improper maintenance.

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